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| author | Evan Cheng <evan.cheng@apple.com> | 2011-01-06 07:58:36 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2011-01-06 07:58:36 +0000 |
| commit | 7998b1d6fe08c1b3010f790cc96d75137a404bf7 (patch) | |
| tree | 9b159b82359393c5742c2a4a7847faad78b24e10 /llvm/test/CodeGen/X86/2010-09-17-SideEffectsInChain.ll | |
| parent | 245de78e062ab074154ee4c410ceefef7535c12e (diff) | |
| download | bcm5719-llvm-7998b1d6fe08c1b3010f790cc96d75137a404bf7.tar.gz bcm5719-llvm-7998b1d6fe08c1b3010f790cc96d75137a404bf7.zip | |
Use movups to lower memcpy and memset even if it's not fast (like corei7).
The theory is it's still faster than a pair of movq / a quad of movl. This
will probably hurt older chips like P4 but should run faster on current
and future Intel processors. rdar://8817010
llvm-svn: 122955
Diffstat (limited to 'llvm/test/CodeGen/X86/2010-09-17-SideEffectsInChain.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/2010-09-17-SideEffectsInChain.ll | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/test/CodeGen/X86/2010-09-17-SideEffectsInChain.ll b/llvm/test/CodeGen/X86/2010-09-17-SideEffectsInChain.ll index 8fe0309421e..66dc0eabac3 100644 --- a/llvm/test/CodeGen/X86/2010-09-17-SideEffectsInChain.ll +++ b/llvm/test/CodeGen/X86/2010-09-17-SideEffectsInChain.ll @@ -19,8 +19,8 @@ entry: } ; CHECK: movq ___stack_chk_guard@GOTPCREL(%rip), %rax -; CHECK: movb 30(%rsp), %dl -; CHECK: movb (%rsp), %sil -; CHECK: movb %sil, (%rsp) -; CHECK: movb %dl, 30(%rsp) +; CHECK: movb 30(%rsp), %cl +; CHECK: movb (%rsp), %dl +; CHECK: movb %dl, (%rsp) +; CHECK: movb %cl, 30(%rsp) ; CHECK: callq ___stack_chk_fail |
